RTA Series Thick Film Array Chip Resistors
The RTA series resistors are lead-free, halogen-free, and RoHS compliant thick film array chip resistors designed for general electronic applications. They offer reliability and performance suitable for a wide range of general electronic uses.
Product Attributes
- Brand: RALEC
- Certifications: RoHS compliant, Lead-free, Halogen-free
Technical Specifications
| Type | Rated Power (W) | Max. Rated Voltage (V) | Max. Overload Voltage (V) | T.C.R (ppm/) | Resistance Range () | Number of Terminals | Number of Resistors | Rated Current (JUMPER 0) | Max. Resistance (JUMPER 0) |
|---|---|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1 | 25 | 50 | 300 (1R<10), 200 (10R10M) | 1R<10, 10R10M | 4 | 2 | 1A | 25m MAX. |
| RTA02-4D (0402) | 1 | 25 | 50 | 300 (1R<10), 200 (10R10M) | 1R<10, 10R10M | 8 | 4 | 1A | 25m MAX. |
| RTA02-8D (0402) | 1 | 25 | 50 | 250 (10R10M) | 10R10M | 16 | 8 | 1A | 50m MAX. |
| RTA03-2D (0603) | 1 | 50 | 100 | 200 (10R10M) | 10R10M | 4 | 2 | 1A | 50m MAX. |
| RTA03-4D (0603) | 1 | 50 | 100 | 200 (22R470K), 200 (1R10M) | 22R470K, 1R10M | 8 | 4 | 1A | 25m MAX |
| RTA02-2C (0402) | 1 | 25 | 50 | 650 (3R10), 200 (10R<1M) | 3R10, 10R1M | 4 | 2 | 1A | 50m MAX. |
| RTA02-4C (0402) | 1 | 25 | 50 | 400 (1R<10), 200 (10R1M) | 1R<10, 10R1M | 8 | 4 | 1A | 50m MAX. |
Dimensions (mm)
| Type | L | W | H | L1 | L2 | P | Q |
|---|---|---|---|---|---|---|---|
| RTA02-2D (0402) | 1.000.10 | 1.000.10 | 0.300.05 | 0.150.10 | 0.250.10 | (0.67) | 0.330.10 |
| RTA02-4D (0402) | 2.000.10 | 1.000.10 | 0.400.10 | 0.200.10 | 0.250.10 | (0.50) | 0.300.10 |
| RTA02-8D (0402) | 4.000.20 | 1.600.10 | 0.400.10 | 0.300.15 | 0.300.10 | (0.50) | 0.250.10 |
| RTA03-2D (0603) | 1.600.15 | 1.600.15 | 0.450.10 | 0.300.15 | 0.300.15 | (0.80) | 0.600.10 |
| RTA03-4D (0603) | 3.200.20 | 1.600.15 | 0.500.10 | 0.300.15 | 0.300.15 | (0.80) | 0.500.10 |
| RTA02-2C (0402) | 1.000.10 | 1.000.10 | 0.300.10 | 0.180.10 | 0.250.10 | (0.50) | 0.300.10 |
| RTA02-4C (0402) | 2.000.10 | 1.000.10 | 0.400.10 | 0.150.10 | 0.250.10 | (0.50) | 0.300.10 |
Structure Diagram
Diagrams for D (Convex) Type and C (Concave) Type are available, illustrating the layers of ceramic substrate, electrodes, resistive layer, protective coatings, and plating.
Reliability Test Items
Includes Electrical Performance Tests (Temperature Coefficient of Resistance, Short Time Overload, Insulation Resistance, Dielectric Withstand Voltage, Intermittent Overload), Mechanical Performance Tests (Resistance to Solvent, Solderability, Resistance to Soldering Heat, Joint Strength of Solder), and Environmental Tests (Resistance to Dry Heat, Thermal Shock, Loading Life in Moisture, Load Life).
Plating Thickness
- Nickel Layer (Ni): 2m
- Pure Tin Layer (Sn): 3m (Matte tin)
Technical Application Notes
Recommended soldering conditions (Lead Free IR-Reflow Soldering Profile, Soldering Iron method) and Land Pattern Design for Reflow Soldering are provided. Users should adjust based on actual application. Notes on usage environment, transient overload, handling, and storage are also included.
Storage and Handling Conditions
Recommended storage environment: 255, 6015% RH for two years. Avoid corrosive environments, direct sunlight, and condensation. Ensure correct box orientation and avoid dropping or crushing.
Labeling
Outer boxes for export to mainland China will be labeled with the Electronic Information Products Pollution Control Mark and Packaging Recycling Mark.
Attachment
- Document Revision Record Table (QA-QR-027)
Legal Disclaimer
RALEC disclaims liability for errors or omissions in product information and reserves the right to make changes without notice. RALEC makes no warranties regarding product suitability for specific purposes or continued production. RALEC is not liable for damages arising from the use of its products, including lost profits or consequential damages. Products are defined for general electronic use and are not intended for automotive, medical life support, or other critical applications where failure could cause injury or death. Technical advice is provided free of charge, and the user assumes all risks associated with its adoption. RALEC reserves the right to modify specifications without notice.
2411221110_RALEC-RTA02-4D222JTP_C106877.pdf
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